Note 3 - Earnings Per Share (Tables)

6 Months Ended

Sep. 30, 2018

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Three Months Ended		Three Months Ended		Six Months Ended		Six Months Ended
	September 30, 2018		September 30, 2017		September 30, 2018		September 30, 2017
Net income	$	664,538	$	410,753	$	1,543,971	$	803,130
Weighted average common shares outstanding - basic		3,209,046		3,188,895		3,209,046		3,188,895
Weighted average common shares outstanding - diluted		3,214,841		3,196,516		3,214,841		3,196,516
Income per common share - basic and diluted	$	0.21	$	0.13	$	0.48	$	0.25
Anti-dilutive shares		174,465		124,169		174,465		124,169